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BOSTON MARATHON 2024

Richard Alff

Bib: 3504•M

NH

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 13%
Gender (Male)
#0 / 14578
Top 22%
Masters (Masters Men)
#0 / 9729
Top 11%
Division (M50-54)
#0 / 1935
Top 7%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:30/mi
20:13
↑ 97↓ 3451.5%
10K· 6.21 mi
6:27/mi
40:15
↑ 79↓ 1380.4%
15K· 9.32 mi
6:31/mi
1:00:30
↑ 67↓ 78
20K· 12.43 mi
6:40/mi
1:21:13
↑ 106↓ 860.1%
Half· 13.11 mi
6:30/mi
1:25:39
↑ 19↓ 370.5%
25K· 15.53 mi
7:27/mi
1:43:42
↑ 66↓ 880.2%
30K· 18.64 mi
7:46/mi
2:07:50
↑ 181↓ 1480.2%
20M
7:46/mi
2:18:23
↑ 64↓ 500.2%
21M
7:40/mi
2:26:03
↑ 106↓ 241.6%
35K· 21.75 mi
7:09/mi
2:31:24
↑ 17↓ 861.7%
23M
7:18/mi
2:40:32
↑ 23↓ 630.6%
24M
7:08/mi
2:47:40
↓ 821.3%
40K· 24.85 mi
7:15/mi
2:53:52
↓ 200.3%
25.2M
7:50/mi
2:56:34
↑ 13↓ 160.2%
Finish· 26.22 mi
6:45/mi
3:03:27
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:25:39
Pace6:32 /mi
2nd Half
Distance13.11 mi
Time1:37:48
Pace7:28 /mi
📊Positive Split: 14.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:3220:136:3020:13
6:30
-
10K
6.21 mi10:42:3440:156:2920:02
6:27
-0:03
15K
9.32 mi11:02:491:00:306:2920:15
6:31
+0:04
20K
12.43 mi11:23:321:21:136:3220:43
6:40
+0:09
Half
13.11 mi11:27:581:25:396:324:26
6:30
-0:10
25K
15.53 mi11:46:011:43:426:4118:03
7:27
+0:57
30K
18.64 mi12:10:092:07:506:5124:08
7:46
+0:19
20M
20.00 mi12:20:422:18:236:5510:33
7:46
0:00
21M
21.00 mi12:28:222:26:036:577:40
7:40
-0:06
35K
21.75 mi12:33:432:31:246:585:21
7:09
-0:31
23M
23.00 mi12:42:512:40:326:599:08
7:18
+0:09
24M
24.00 mi12:49:592:47:406:597:08
7:08
-0:10
40K
24.85 mi12:56:112:53:527:006:12
7:15
+0:07
25.2M
25.20 mi12:58:532:56:347:002:42
7:50
+0:35
Finish
26.22 mi13:05:463:03:277:006:53
6:45
-1:05

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

6:27 /mi

Average Pace

7:00 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:32:32

50% of race

Time at Steady Pace

27:49

15% of race

Time at Slower Pace

1:03:06

34% of race

Average Pace: 7:00 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:22:3220:136:3020:13
6:30
#3366
10K
6.21 mi10:42:3440:156:2920:02
6:27
#3012
15K
9.32 mi11:02:491:00:306:2920:15
6:31
#2898
20K
12.43 mi11:23:321:21:136:3220:43
6:40
#2900
Half
13.11 mi11:27:581:25:396:324:26
6:30
#2868
25K
15.53 mi11:46:011:43:426:4118:03
7:27
#3472
30K
18.64 mi12:10:092:07:506:5124:08
7:46
#4137
20M
20.00 mi12:20:422:18:236:5510:33
7:46
#4224
21M
21.00 mi12:28:222:26:036:577:40
7:40
#4056
35K
21.75 mi12:33:432:31:246:585:21
7:09
#3988
23M
23.00 mi12:42:512:40:326:599:08
7:18
#3806
24M
24.00 mi12:49:592:47:406:597:08
7:08
#3697
40K
24.85 mi12:56:112:53:527:006:12
7:15
#3606
25.2M
25.20 mi12:58:532:56:347:002:42
7:50
#3553
Finish
26.22 mi13:05:463:03:277:006:53
6:45
#3414
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM50-54Seg. OverallSeg. MalesSeg. M50-54
5K3.11 mi3.11 mi3366320832082816(Top 11%)2694(Top 18%)2694(Top 139%)
10K6.21 mi3.10 mi3012+3542878+3302878+3302693(Top 11%)2580(Top 18%)2580(Top 133%)
15K9.32 mi3.11 mi2898+1142775+1032775+1032816(Top 11%)2694(Top 18%)2694(Top 139%)
20K12.43 mi3.11 mi2900-22772+32772+33024(Top 12%)2879(Top 20%)2879(Top 149%)
Half13.11 mi0.68 mi2868+322744+282744+282620(Top 10%)2505(Top 17%)2505(Top 129%)
25K15.53 mi2.42 mi3472-6043290-5463290-5466639(Top 26%)5598(Top 38%)5598(Top 289%)
30K18.64 mi3.11 mi4137-6653860-5703860-5706501(Top 25%)5322(Top 37%)5322(Top 275%)
20M20.00 mi1.36 mi4224-873914-543914-545498(Top 22%)4553(Top 31%)4553(Top 235%)
21M21.00 mi1.00 mi4056+1683757+1573757+1573040(Top 12%)2733(Top 19%)2733(Top 141%)
35K21.75 mi0.75 mi3988+683686+713686+713580(Top 14%)3155(Top 22%)3155(Top 163%)
23M23.00 mi1.25 mi3806+1823520+1663520+1662893(Top 11%)2573(Top 18%)2573(Top 133%)
24M24.00 mi1.00 mi3697+1093414+1063414+1062773(Top 11%)2445(Top 17%)2445(Top 126%)
40K24.85 mi0.85 mi3606+913325+893325+892661(Top 10%)2321(Top 16%)2321(Top 120%)
25.2M25.20 mi0.35 mi3553+533272+533272+532268(Top 9%)1992(Top 14%)1992(Top 103%)
Finish26.22 mi1.02 mi3414+1393141+1313141+1312186(Top 9%)1902(Top 13%)1902(Top 98%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2816

Males

2694

M50-54

2694

5K→10K

3.1 - 6.2 mi

Top 11%
×5story building
+79ft-138ft

Overall

2693

Males

2580

M50-54

2580

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2816

Males

2694

M50-54

2694

15K→20K

9.3 - 12.4 mi

Top 12%
×5story building
+106ft-86ft

Overall

3024

Males

2879

M50-54

2879

20K→Half

12.4 - 13.1 mi

Top 10%
×2story building
+19ft-37ft

Overall

2620

Males

2505

M50-54

2505

Half→25K

13.1 - 15.5 mi

Top 26%
×4story building
+66ft-88ft

Overall

6639

Males

5598

M50-54

5598

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

6501

Males

5322

M50-54

5322

30K→20M

18.6 - 20.0 mi

Top 22%
×5story building
+64ft-50ft

Overall

5498

Males

4553

M50-54

4553

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3040

Males

2733

M50-54

2733

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3580

Males

3155

M50-54

3155

35K→23M

21.8 - 23.0 mi

Top 11%
×5story building
+23ft-63ft

Overall

2893

Males

2573

M50-54

2573

23M→24M

23.0 - 24.0 mi

Top 11%
×6story building
+12ft-82ft

Overall

2773

Males

2445

M50-54

2445

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2661

Males

2321

M50-54

2321

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2268

Males

1992

M50-54

1992

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2story building
+22ft-21ft

Overall

2186

Males

1902

M50-54

1902

Passing Analysis

Category:
Athletes Passed
1730
Passed By
1778
Net Change
-48
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3366
5K → 10K37420+354#3366#3012
10K → 15K16349+114#3012#2898
15K → 20K110112-2#2898#2900
20K → Half397+32#2900#2868
Half → 25K29633-604#2868#3472
25K → 30K47712-665#3472#4137
30K → 20M81168-87#4137#4224
20M → 21M18719+168#4224#4056
21M → 35K8820+68#4056#3988
35K → 23M19311+182#3988#3806
23M → 24M1189+109#3806#3697
24M → 40K10110+91#3697#3606
40K → 25.2M574+53#3606#3553
25.2M → Finish1434+139#3553#3414
TOTALS17301778-48
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing